Formisano, Roger A., author
McGraw-Hill, 2004
Buku Teks
Huber, Diane L., author
Elsevier Saunders, 2005
Buku Teks
Williamson, Bobette Hayes, author
[American Management Association;, ], 2007
eBooks
Holdsworth, Roger F., author
Brithis Institute of Management, 1972
Buku Teks
Sheetz, Michael, author
John Wiley & Sons, 2007
Buku Teks